Smart Watch for Men Women, Fitness Tracker 1.69 Full Touch Screen Smartwatch with Heart Rate Monitor, Sleep Monitor IP68 Waterproof Pedometer Activity Tracker Fitness Watch for Android Phones Black
$49.99
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Description
How do you use/start the sleep mode on this watch?Back to product
asked by 2021-09-09 00:00:00
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1 answers shown
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wrist, and work by monitoring your body movements as you sleep to determine how much time you probably spent awake versus asleep. Some devices also look at heart rate changes during sleeping to estimate how much time you spent in each sleep cycle2021-09-09 00:00:00answered on
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